Update _test folder

_test/ajax/ajax-sqlite-insert/js/script.js

@@ -0,0 +1,41 @@
+$(document).ready(function(){
+	displayData();
+ 
+	$('#save').on('click', function(){
+		var firstname = $('#firstname').val();
+		var lastname = $('#lastname').val();
+		var address = $('#address').val();
+ 
+		if($('#firstname').val() == "" || $('#lastname').val() == "" || $('address').val()){
+			alert("Please complete the required field");
+		}else{
+			$.ajax({
+				type: 'POST',
+				url: 'insert.php',
+				data: {
+					firstname: firstname,
+					lastname: lastname,
+					address: address
+				},
+				success: function(data){
+					$('#firstname').val('');
+					$('#lastname').val('');
+					$('#address').val('');
+					alert(data);
+					displayData();
+				}
+			})
+		}
+	});
+ 
+	function displayData(){
+		$.ajax({
+			type: 'POST',
+			url: 'data.php',
+			data: {res: 1},
+			success: function(data){
+				$('#data').html(data)
+			}
+		});
+	}
+});